On 12/01/2017 01:58 PM, Przemek Klosowski wrote:
On Fri, Dec 1, 2017 at 1:53 PM, <bodetechn...@gmail.com
<mailto:bodetechn...@gmail.com>> wrote:
Hi all
I am developing on a beaglebone black and want to include a rotary
knob to Control cursors on my display in user space etc.
The selected quadrature encoder is here :
http://www.mouser.com/ds/2/54/EL12T-777462.pdf
<http://www.mouser.com/ds/2/54/EL12T-777462.pdf>
I need to convert the pulses into a direction and count up or down
accordingly so I plan on using an external low cost micro
controller to count up or down and send the value out onto the bus.
Beaglebone has a hardware quadrature decoder called eQEP.
http://beagleboard.org/project/eqep_rotary_encoder.
There is also a gpio quadrature encoder driver in the input subsystem of
the mainline linux kernel. If you don't want to spend time on software,
this may be the way to go.
--
For more options, visit http://beagleboard.org/discuss
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